package ch03.home;
class  Exercise3_09 {
	public static void main(String[] args) {
		char ch = 'z';
		//boolean b = ( /* (1) */ );
		boolean b = ('a' <= ch && ch <= 'z') || ('A' <= ch && ch <= 'Z') 
				|| ('0'	<= ch && ch <= '9');
		System.out.println(b); // true	
	}
}